Security isn’t the only thing that’s become better with time. Cyber-attacks are now well-timed, smart, and stealthy. As they say, progress works both ways. Cyber criminals are adept at building tools and utilizing techniques that mask their footsteps, making it difficult for traditional signature-based technologies to identify them. In fact, it’s common for an intrusion to go undetected from its date of origin for days, weeks, or even months.